<template>
    <div>
        <!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片视图区域 -->
        <el-card>
            <!-- 卡片头部区域 -->
            <el-row :gutter="20">
                <el-col :span="8">
                     <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddPage">添加商品</el-button>
                </el-col>
            </el-row>
            <!-- 卡片的table区域 -->
            <el-table :data="goodsList" border stripe>
                <el-table-column type="index"></el-table-column>
                <el-table-column label="商品名称" prop="goods_name"></el-table-column>
                <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
                <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
                <el-table-column label="创建时间" prop="add_time" width="140px">
                    <template slot-scope="scope">
                        {{scope.row.add_time | dataFormat}}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="200px">
                    <template slot-scope="scope">
                        <el-button type="primary" size="mini" icon="el-icon-edit">编辑</el-button>
                        <el-button type="danger" 
                        size="mini" icon="el-icon-delete" @click="removeById(scope.row.goods_id)">删除</el-button>
                    </template>
                </el-table-column>
            </el-table>
            <!-- 分页区域 -->
            <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[5, 10, 15, 20]"
                :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total" background>
            </el-pagination>
        </el-card>
    </div>
</template>

<script>
export default {
    data(){
        return {
            // 查询参数对象
            queryInfo: {
                query: '',
                pagenum: 1,
                pagesize: 10
            },
            // 商品列表
            goodsList: [],
            // 总商品量
            total: 0,
        }
    },
    created(){
        this.getGoodsList()
    },
    methods: {
        // 根据分页获取对应的商品
        async getGoodsList(){
            const {data: res} = await this.$http.get('goods', { params: this.queryInfo})
            if(res.meta.status !== 200){
                return this.$message.error('获取商品列表失败')
            }
            this.$message.success("获取商品列表成功！")
            console.log(res.data)
            this.goodsList = res.data.goods
            this.total = res.data.total
        },
        handleSizeChange(newSize){
            this.queryInfo.pagesize = newSize
            this.getGoodsList()
        },
        handleCurrentChange(newPage){
            this.queryInfo.pagenum = newPage
            this.getGoodsList()
        },
        removeById(id){
             this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).then(async () => {
                const {data: res} = await this.$http.delete(`goods/${id}`)
                if(res.meta.status !==200){
                    return this.$message.error("删除失败")
                }
                this.$message({
                    type: 'success',
                    message: '删除成功!'
                });
                this.getGoodsList()
            }).catch(() => {
            this.$message({
                type: 'info',
                message: '已取消删除'
            });          
            });
        },
        goAddPage(){
            this.$router.push('/goods/add')
        }
    }
}
</script>

<style scoped>

</style>